Monday

Mostly cloudy. A chance of showers and thunderstorms... mainly in the afternoon. Chance of precipitation 30 percent. Not as warm. Highs 82 to 87. West winds 10 to 15 mph.

Monday Night

Mostly cloudy with a 30 percent chance of showers and thunderstorms in the evening...then partly cloudy after midnight. Lows 52 to 59. Northwest winds up to 10 mph. Gusts to 20 mph in the evening.

Tuesday

Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs 84 to 89. Light winds.

Tuesday Night

Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the evening...then a slight chance of showers after midnight. Chance of precipitation 30 percent. Lows 50 to 58. West winds around 10 mph.

NWS Forecaster Discussion

Area forecast discussion
National Weather Service Boise Idaho
212 PM MDT sun Aug 2 2015
Short term...high clouds are streaming into our County Warning Area from the
south this afternoon. Cloud cover will keep temperatures warm tonight.
Deeper moisture and thunderstorms have so far stayed well southeast
and southwest of our area. A short wave trough in southern Nevada will
move north Monday bringing a chance of showers and thunderstorms
to our County Warning Area. The trough...clouds...and showers will hold temperatures
down Monday. Temperatures will warm back up a couple degrees Tuesday as
the trough exits northeastward. Moisture and instability will then lead
to a chance of thunderstorms in our southern zones Tuesday afternoon.
Models continue to indicate only light quantitative precipitation forecast both Monday and Tuesday
so probability of precipitation are correspondingly low.
Long term...Tuesday night through Sunday...an upper low located
along the British Columbia coast on Tuesday night is expected to
send a shortwave through the area late Tuesday into Wednesday. The
GFS continues to show precipitation Wednesday morning through evening...
while the European model (ecmwf) is sticking to a drier solution with precipitation mainly
in the mountains on Wednesday afternoon. However...more models are
in line with the GFS...including the latest NAM...so have trended
the forecast probability of precipitation higher for Wednesday in general. It looks like
some sort of cold front will work its way through the area on
Wednesday as well...so temperatures will drop a few degrees from
Tuesday. Models are in good agreement though of a dry westerly flow
for Thursday and a cut-off low from coastal California moving NE
into the Great Basin on Friday. Once again...the GFS is also
depicting more quantitative precipitation forecast with this low than the European model (ecmwf).
&&
Aviation...VFR. Scattered middle-high level clouds. Expect isolated showers
and thunderstorms to develop along the Idaho/Nevada border after
03/00z...with coverage increasing after 03/18z to include most
mountain areas. Surface winds variable 10 kts or less. Winds aloft
near 10k feet mean sea level...variable around 10 kts.
&&
&&
Boi watches/warnings/advisories...
Idaho...red flag warning from 9 am to 9 PM MDT Monday idz423-426.
Or...red flag warning from 9 am MDT /8 am PDT/ to 9 PM MDT /8 PM PDT/
Monday orz636-637.
&&
$$
Weather.Gov/Boise
Short term...lc
long term....ep/dd
aviation.....Ep